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Transcript of Introduction to ArcCatalog - University of Baghdad · Introduction To Arc Catalog . ... •MS SQL...
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Introduction to ArcCatalog
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ArcCatalog is a data- centric GUI tool used for managing spatial data
Introduction To Arc Catalog
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With ArcCatalog you can …….
• Inspect properties and attributes of data
• Preview and explore data contents
• Evaluate quality and suitability of data
• Create, move, copy, delete, organize, and rename
• Review, update and define metadata
• Import, export, convert
• Define rules and behavior
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ArcCatalog Gives You….
• Direct access to all your data ‘live .’
• Connections to any local or network disks.
• Connections to local or remote folders.
• Connections to relational databases via
• ArcSDE
• MS SQL Server, Oracle, DB2, Sybase, etc.
• OLE DB
• MS Access (jet), Oracle, MS SQL Server, etc.
• Typically OLE DB can retrieve only non-spatial data
• Personal geodatabases
• MS Access (jet)
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• Manage the GIS data explosion
• Control consistency and quality of data
• Maintain inventory of data holdings
• Expose incomplete metadata
• Identify redundant data
ArcCatalog …
Is Better Equipped to Allow GIS Analysts To
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ArcCatalog Is the Principal User
Interface Used to Define and
Manage the Geodatabase
ArcCatalog …
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What is a Geodatabase?
• A new type of geographic data format (GDF) for ArcInfo 8.
• Based on Object-Oriented Model
• Users can add behavior, properties, rules and relationships to data
• Implemented as extension to standard relational database technology
• Supports topologically integrated feature classes
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Geographic Feature Data Formats
• Shapefile – introduced with ArcView
• Also georelational data model – nontopological vector data format.
• Very prolific format – much GIS data in Shapefile format.
• Simpler than coverages than because they do not store topological associations among different features and feature classes.
• Limited analysis capabilities due to lack of topology
• Geodatabase – introduced in ArcInfo 8.
• Object-oriented model – can characterize features more naturally by defining object types, topological, spatial and general relationships, and interactions.
• Geodatabase features can be stored in a single database.
• Create custom features in addition to points, lines, polygons
• Brings physical model closer to logical model.
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Supported Data Types
• supports four representations of geographic data.
• Vector data for representing features.
• Raster data for images, grids, and surfaces.
• Triangulated irregular networks (TINS) for surfaces.
• Tabular data.
• Locators and addresses for finding a geographic position from an address.
• Locators apply national postal conventions to convert an address to a position.
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ArcCatalog and Metadata
• Metadata is primarily viewed and edited in ArcCatalog.
• ArcCatalog allows metadata to be easily created, stored, and accessed for all data types supported by ArcInfo 8.0 using open, flexible, industry standard technology.
• AI8 has out-of-the-box support for the federal geographic data committee (FGDC) metadata content standard,
• ArcCatalog has a built-in and easily accessible full- featured metadata editor.
• AI8 automatically stores metadata with the data so that it also travels when the data is moved, distributed, exported, or renamed, including attached documents.
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ArcCatalog and Metadata
• Bottom line: metadata editor is easy to use.
• Result = more organized and accurate data.
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Creating and Editing Metadata
• Choose dataset and click the metadata tab…
• Metadata is automatically created if it doesn’t exist
• This can be turned on/off
• Some metadata is automatically obtained (“harvested”( from the data
• You can control frequency of metadata harvesting
• Automatic time interval
• Manually
• Any file type can be added as an attachment to the metadata to extend metadata information
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ArcCatalog Metadata Editor
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From ArcCatalog you can add and edit the properties of fields in tables, shapefiles and feature classes by right clicking on the object and going to properties.
ArcCatalog
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Detachable Catalog Tree
ESRI Metadata Viewer
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Folder Connections
CAD Dataset (Blue)
CAD Drawing File
Coverages
(Yellow)
Raster
Datasets
(Grid)
Layers
(Bright Yellow)
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Personal Geodatabase
(Grey)
ArcMap Document
(.mxd) Projection
(Globe) Shapefiles
(Green)
ArcView Dbase Table (Green)
ArcInfo Info Table (Yellow)
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TIN
Dataset
Preview Tab
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Geodatabase Feature Dataset
Relationship Class
Feature Classes
Annotation Class
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Projection Files
.*prj
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Creating
Thumbnails
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Database Table
(Blue)
Remote Database Connection
(Grey Cylinder w/network)
Wizards for Creating
Database Connections
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